turns on with jump start but then shuts off because the battery drains

2002 HONDA CRV
333,000 MILES • 2.4L • 4 CYL • AWD • AUTOMATIC
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MANNY1398
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So my car suddenly would just shut off on me and I would turn the key off and back on and it would not start and the voltage on the battery would drop. so I put a new alternator thinking that was the problem, but it was not so what could it possibly be? and then had a guy come test it and camshaft position sensor ,oxygen sensors one and two would come up, but he says those are not the problems. the cars does turn on with jump start but then shuts off because the battery drains.
Mar 8, 2017 at 11:59 AM
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HMAC300
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it may be a security issue not a battery drain, although if you suspect it most places check batteries for free. see link for security system reset. however check all fuses listed in picture then if battery is good and terminal ends clean have it checked for a bus problem due to multiplex unit in picture. also, with mileage on your car belt and tension-er should be replaced as it is recommended every 60,000 miles for both. See link and picture.
https://www.2carpros.com/articles/how-to-reset-a-security-system
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Mar 8, 2017 at 12:17 PM